jacobi_ns( z , m )

The Jacobi ns function of z and parameter m in SageMath. The reciprocal of sn:

\[ \operatorname{ns}( u | m ) = \frac{ 1 }{ \operatorname{sn}( u | m ) } \]

Note that all Jacobi elliptic functions in SageMath use the parameter rather than the elliptic modulus k, which is related to the parameter by \( m = k^2 \).

Plot on the real axis:

Series expansion about the origin:

Special values:

Related functions:   jacobi_sn   jacobi_nc   jacobi_nd

Function category: Jacobi elliptic functions sagemath-docs